These packs are designed to safeguard temperature-sensitive products during storage and transport. They can be chilled in a freezer, refrigerator or low temperature incubator. They are effective when used with insulated shipping containers.BenefitsDimensions: 165 x 89 x 19cmGel filledKeep their shape during all stages of use: Phase changes at 0 ℃ and returns to gel state after thawingSuitable for pharmaceuticals, clinical trials, diagnostic kits, chemicals and biologicalsLong lasting, high performance temperature protectionThey can be chilled in a freezer, refrigerator or low temperature incubatorEffective when used with insulated shipping containers